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Test ID:1.3.6.1.4.1.25623.1.0.63042
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-695-1 (shadow)
Summary:NOSUMMARY
Description:Description:

The remote host is missing an update to shadow
announced via advisory USN-695-1.

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS
Ubuntu 7.10
Ubuntu 8.04 LTS
Ubuntu 8.10

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

Details follow:

Paul Szabo discovered a race condition in login. While setting up
tty permissions, login did not correctly handle symlinks. If a local
attacker were able to gain control of the system utmp file, they could
cause login to change the ownership and permissions on arbitrary files,
leading to a root privilege escalation.

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 6.06 LTS:
login 1:4.0.13-7ubuntu3.4

Ubuntu 7.10:
login 1:4.0.18.1-9ubuntu0.2

Ubuntu 8.04 LTS:
login 1:4.0.18.2-1ubuntu2.2

Ubuntu 8.10:
login 1:4.1.1-1ubuntu1.2

In general, a standard system upgrade is sufficient to effect the
necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-695-1

Risk factor : High

CopyrightCopyright (c) 2008 E-Soft Inc. http://www.securityspace.com

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